In his 2005 article, "Change or Die," Alan Deutschman reports that, at that time, $1.8 trillion dollars was consumed by the US health care industry, accounting for 15% of the gross national product. According to Dr. Raphael Levey, the founder of the Global Medical Forum, it has been known for at least fifty years that 80% of the country's health care budget is spent on health problems that result from five key behaviors - smoking, drinking, eating, stress, and insufficient exercise.
[...] Guiding my research was this underlying research question: which factors, individual and organizational, lead to successful health behavior change?